R
Ramasamy Asokan
Researcher at Indian Institute of Horticultural Research
Publications - 117
Citations - 1626
Ramasamy Asokan is an academic researcher from Indian Institute of Horticultural Research. The author has contributed to research in topics: Bacillus thuringiensis & Gene. The author has an hindex of 20, co-authored 111 publications receiving 1233 citations. Previous affiliations of Ramasamy Asokan include Indian Council of Agricultural Research.
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First report of the fall armyworm, Spodoptera frugiperda (J E Smith) (Lepidoptera: Noctuidae), an alien invasive pest on maize in India
Sharanabasappa,C. M. Kalleshwaraswamy,Ramasamy Asokan,H. M. Mahadeva Swamy,M. S. Maruthi,H. B. Pavithra,Kavita Hegde,Shivaray Navi,S.T. Prabhu,Georg Goergen +9 more
TL;DR: The fall armyworm, spodoptera frugiperda is a notorious pestiferous insect with high dispersal ability, wide host range and high fecundity that make it one of the most severe economic pests of the global agriculture.
Journal Article
New record of the invasive South American tomato leaf miner, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) in India
TL;DR: There is an urgent need to deploy suitable management practices to contain further spread of this potential pest on tomato and potato in India.
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Distribution of Bemisia tabaci Genetic Groups in India
R. Ellango,Shalini Singh,Vipin Singh Rana,N. Gayatri Priya,Harpreet Singh Raina,Rahul Chaubey,N. C. Naveen,Riaz Mahmood,V. V. Ramamurthy,Ramasamy Asokan,Raman Rajagopal +10 more
TL;DR: This study sequenced 850 bp of the mitochondrial COI (mtCOI) gene from B. tabaci populations surveyed across India, suggesting a role of anthropogenic activities in the distribution of B.tabaci.
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Diversity and phylogenetic analysis of endosymbiotic bacteria from field caught Bemisia tabaci from different locations of North India based on 16S rDNA library screening
Shalini Singh,Natarajan Gayatri Priya,Jitendra Kumar,Vipin Singh Rana,R. Ellango,Adita Joshi,Garima Priyadarshini,Ramasamy Asokan,Raman Rajagopal +8 more
TL;DR: The results suggest that the bacterial endosymbiont diversity of B. tabaci is much larger and complex than previously perceived and probably N. India strains of the bacterial symbionts could have evolved from some other ancestor.
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Parthenium pollen induced feeding by Zygogramma bicolorata (Coleoptera: Chrysomelidae) on sunflower ( Helianthus annuus ) (Compositae)
TL;DR: Investigation resulted in the novel finding that dusting of parthenium pollen, or smearing its extract which contains parthenin, on sunflower leaves also induced feeding responses in adults, and could be one of the factors influencing variability in the feeding behaviour of Z. bicolorata.